Epson StylusPRO 7000 Service Manual page 204

EPSON Stylus Pro 7000
Table 7-5. Connector Pin Assignments for CN8
Pin No. Signal Name
17 SG
18 BHDATA0
19 SG
20 BHDATA1
21 SG
22 BHDATA2
23 SG
24 HDTEMPB
25 +5V
26 CRENC_A
27 CRENC_B
28 NC
29 P_EDGE
30 SG
Table 7-6. Connector Pin Assignments for CN9
Pin No. Signal Name
1 CCOM
2 SG
3 CCOM
4 SG
5 CCOM
6 SG
7 CVHV
Appendix
I/O Function
- Signal ground
O Dark head data 0
- Signal ground
O Dark head data 1
- Signal ground
O Dark head data 2
- Signal ground
I Head temperature for dark inks
O Sensor power source
Encoder signal phase A for
I
measuring paper width
Encoder signal phase B for
I
measuring paper width
- Neutral circuit (not used)
I Paper width sensor signal
- Signal ground
I/O Function
Common pulse (trapezoidal wave-
O
form)
- Signal ground
Common pulse (trapezoidal wave-
O
form)
- Signal ground
Common pulse (trapezoidal wave-
O
form)
- Signal ground
Light head dot control reference
O
voltage
Table 7-6. Connector Pin Assignments for CN9
Pin No. Signal Name
8 CVHV
9 CVHV
10 C_SOL
11 C_SOL
12 SG
13 CHNCHG
14 SG
15 CHLAT
16 SG
17 CHCK
18 SG
19 CHDATA0
20 SG
21 CHDATA1
22 SG
23 CHDATA2
24 SG
25 HDTEMPC
26 +5V
27 HEAD_ERR
28 +3.3V
29 /LED_ON
30 SG
Wiring Diagrams
Revision A
I/O Function
Light head dot control reference
O
voltage
Light head dot control reference
O
voltage
O Cutter solenoid signal
O Cutter solenoid signal
- Signal ground
Light head charge pulse
O
(trapezoidal wave-form)
- Signal ground
Light head print data latch control
signal
- Signal ground
Light head clock signal for data
transmission
- Signal ground
O Light head data 0
- Signal ground
O Light head data 1
- Signal ground
O Light head data 2
- Signal ground
I Head temperature for light inks
O Sensor power source
I Head error signal
O Cutter solenoid power source
I Encoder signal source
- Signal ground
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